Histopathology (or histology) involves the examination of sampled whole tissues under the microscope. Three main types of specimen are received by the pathology laboratory. Larger specimens include whole organs or parts thereof, which are removed during surgical operations.

The CMV serology test is performed using a blood sample. A lab technician in a clinical setting usually takes this sample. Using a small needle, Serological test has been designed and validated for surveillance and research purposes.

■ Swab Test – In this case, a special swab is used to take a sample from your nose or throat.
■ Nasal aspirate – In this case, a saline solution will be injected into your nose and, then a sample is taken with a light suction.

Hematologists do: ablation therapy (procedures in which abnormal tissue can be eliminated using heat, cold, lasers, or chemicals) blood transfusions. bone marrow transplants and stem cell donations.

Bilirubin testing is done using a blood sample. Usually, the blood is drawn through a small needle inserted into a vein in the bend of your arm. A small tube is attached to the needle to collect the blood.

Creatinine can be tested in blood or urine. For a creatinine blood test: A health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial.